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Dahasolnce [82]
3 years ago
7

What is the area of 100ft, 80ft, 140ft

Mathematics
1 answer:
Dahasolnce [82]3 years ago
8 0
Area or volume??????????????????????????????????????

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According to a certain​ country's department of​ education, 39.9​% of​ 3-year-olds are enrolled in day care. what is the probabi
Yuliya22 [10]
The probability would be 39.9%

The given probability states that 39.9% of the 3 years olds are in daycare. Therefore, it would be obvious to assume that if you randomly selected a 3 year old, that would be the probability that he/she is in daycare.
8 0
3 years ago
Can anybody help? Having a little trouble with this during quarantine...
kolbaska11 [484]
First you would have to find the base which would be 9^2 + 9^2= C^2 because of the pythagorean theorem. So the base would equal 12.7. To find the area of a triangle it’s A= h•b / 2. So your answer would be 95.25
6 0
2 years ago
Which of the following is a factor of 64x^3 +343
Lyrx [107]

Answer:

(4x + 7) or

(16x^2 - 28x + 49)

Step-by-step explanation:

This is the sum of cubes. If you have choices you really should list them because often the way  we write  answers is not in agreement with what you are given.

Step One

Factor 64x^3  and 343 into prime factors.

64x^3: 4*4*4*x * x *x

343: 7 * 7 * 7

Step Two

Factor using the sum of cubes.

(4x + 7)([4x]^2 - 7*4x + 7^2)

(4x + 7)(16x^2 - 28x + 49)


7 0
3 years ago
Read 2 more answers
Question 4 (3 points)
saw5 [17]

Answer:

Step-by-step explanation:

It’s 180°. The sum of the angles in a triangle is ALWAYS 180°.

8 0
2 years ago
Find the volume of a sphere that has a surface area of 16 sq. in.
Vaselesa [24]
Given the surface area of the sphere, for us to obtain the volume we need to get the value of the radius. The surface area of the sphere is given by:
S.A=4πr^2
hence the radius can be calculated as follows;
16=4πr^2
4=πr^2
r=(4/π)^(1/2)
volume of a sphere is given by:
V=4/3πr^3
=4/3*π*(4/π)^(1/2))^3
=32/3 cubic inches


4 0
3 years ago
Read 2 more answers
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